A 45 db sound wave strikes an eardrum whose area is 41
A 45 dB sound wave strikes an eardrum whose area is 4.1 × 10-5 m2.
(a) How much energy is received by the eardrum per second?
W
(b) At this rate, how long would it take your eardrum to receive a total energy of 1.0 J?
years
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A 45 dB sound wave strikes an eardrum whose area is 4.1 × 10-5 m2. How much energy is received by the eardrum per second
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